(S)-2-tert-Butoxycarbonylamino-3-[(3aR,5aR,7R,8aS,8bR)-7-((S)-1,2-dihydroxy-ethyl)-2,2-dimethyl-hexahydro-[1,3]dioxolo[4,5]furo[2,3-b]pyran-7-yl]-propionic acid methyl ester

tert-butyl (S)-1-(methoxycarbonyl)-2-((2S,3S)-2-(((3aR,6R,7S,7aS)-tetrahydro-7-hydroxy-2,2-dimethyl-3aH-[1,3]dioxolo[4,5-c]pyran-6-yl)methyl)-3-(hydroxymethyl)oxiran-2-yl)ethylcarbamate

Triethyl-{(3aR,6R,7S,7aR)-6-[4-(4-methoxy-benzyloxy)-but-2-ynyl]-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-7-yloxy}-silane

(3aR,6R,7S,7aR)-6-((Z)-4-tert-butyldimethylsilyloxy-2-iodobut-2-enyl)-7-triethylsilyloxy-tetrahydro-2,2-dimethyl-3aH-[1,3]dioxolo[4,5-c]pyran

(E)-(S)-2-tert-Butoxycarbonylamino-6-(tert-butyl-dimethyl-silanyloxy)-4-((3aR,6R,7S,7aR)-2,2-dimethyl-7-triethylsilanyloxy-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-ylmethyl)-hex-4-enoic acid methyl ester